Thanks Dave and sharath.umich. Perhaps my monthly assignment entry will give you more context on where these colorful bits are on the bubbles. Note the highlights, and intersections...at this LINK HERE

James Markus wrote:
Thanks for the kudos guys...you are looking at water and dish soap bubbles...specifically the intersection of bubbles.
Wow! Even more impressive now that I checked the link you provided. That is excellent macro work and vision...just beautiful. Thanks for the explanation and good luck in this and the MA.